<! DOCTYPE html>
<html lang='en'>

<head>
  <meta charset="utf-8">
  <title>Show Books</title>
</head>

<body>
  <h1>图书信息如下:</h1>
  <ul>
    {% for i in books %}
      <li>
        <a href="{{ i.id }}">{{ i.book_title }}</a>
      </li>
    {% endfor %}
  </ul>
</body>

</html>